 |
| غلاف: 50 phrases in 20 subjects |
| Agriculture | 1 |
| Antennas and waveguides | 9 |
| Biochemistry | 1 |
| Cables and cable production | 10 |
| Chemical fibers | 3 |
| Coffee | 1 |
| Electric machinery | 2 |
| Electric motors | 2 |
| Electronics | 1 |
| Entomology | 1 |
| Food industry | 3 |
| Horticulture | 1 |
| Packaging | 2 |
| Piezoelectric crystals | 1 |
| Radio | 2 |
| Telegraphy | 1 |
| Thermal Energy | 1 |
| Transformers | 2 |
| United Nations | 2 |
| Work flow | 4 |